Seat back device holding apparatus



FIG. 1 is a perspective view of a seat back device holding apparatusshowing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof

FIG. 4 is a side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is another perspective view thereof; and,

FIG. 8 is another side view thereof.

The broken lines illustrate portions of the seat back device holdingapparatus or environmental structure that do not form a part of theclaimed design.

CLAIM The ornamental design for a seat back device holding apparatus, asshown.